1688421

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:141

約数の個数: 32

約数和(自身を含む): 2757888

約数和(自身を除く): 1069467

約数列:

[1, 3, 7, 21, 37, 41, 53, 111, 123, 159, 259, 287, 371, 777, 861, 1113, 1517, 1961, 2173, 4551, 5883, 6519, 10619, 13727, 15211, 31857, 41181, 45633, 80401, 241203, 562807, 1688421]

約数ペア:

[(1, 1688421), (3, 562807), (7, 241203), (21, 80401), (37, 45633), (41, 41181), (53, 31857), (111, 15211), (123, 13727), (159, 10619), (259, 6519), (287, 5883), (371, 4551), (777, 2173), (861, 1961), (1113, 1517)]